Short courses delivered
- Equations intégrales lineaires (théorie et approximation numérique) Advanced Post-Graduate Courses on Numerical and Functional Analysis, Institut d’Informatique, University of Tizi-Ouzou, Algeria, 22-28 May 1988.
- Regularity and singularities of solutions of boundary value problems , Postgraduate Course, Institut de Mathématiques et de Sciences Physiques, University of Benin, Porto-Novo, Rep. of Benin, 29 January- 9 February 1994.
- Distribution theory and Sobolev spaces. Series of lectures at the College on Functional analysis and its applications to partial differential equations I, Accra, Ghana, 22 July – 2 August 1996.
- Finite difference methods for partial differential equations. Series of lectures at College on Functional analysis and its applications to partial differential equations II, Accra, Ghana, 14-25 July 1997.
- Introduction to function spaces, boundary-value problems and the finite element method, Series of lectures at the International Summer School on Computational Mechanics, Mathematical Analysis and Algorithms, Cape Town, South Africa, 19-30 January 2004.
- Numerical analysis, foundation postgraduate course, African University of Science and Technology, Abuja, Nigeria, November/December 2008.
- Numerical analysis of ordinary differential equations, Foundation postgraduate course at the Regional Centre for Doctoral Training in Mathematics and Computer Science, University of Kinshasa, April and December 2010.
- Nonstandard finite difference schemes in life science, CIMPA/CETIC School on Modeling Life Science in Mathematics, Digital Tools and Methods for Epidemiology and Agronomy, Ecole Normale Supérieure Polytechnique, Yaoundé, Cameroon, 19-30 September 2016.